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Breaches.

Breaches that exposed other

353 breaches, most recently disclosed first. The list grows as new ones are disclosed.

OrganizationAffected
FacebookExposed server holds 419 million records linking Facebook IDs to phone numbersSep 4, 20197 years agoScrapingUnverifiedUnknown
CafePress2019 breach of 23M users covered up; FTC order and USD 500,000 redressAug 5, 20197 years agoHacking23M
GoogleSecond Google+ API bug affected about 52.5 million usersDec 10, 20187 years agoExposed data53M
Marriott InternationalStarwood reservation database breach; UK ICO fine, FTC order and USD 52M states settlementNov 30, 20187 years agoHacking500M
Cathay PacificBreach exposed 9.4M passengers' data; ICO fine of GBP 500,000Oct 24, 20187 years agoHacking9.4M
GoogleGoogle+ API bug exposed profile data of up to 500,000 usersOct 8, 20187 years agoExposed data500K
Facebook2018 View As token theft hit 29M Facebook accounts; Irish DPC fines of EUR 251MSep 28, 20188 years agoHacking29M
ExactisMarketing firm leaves database of 340 million records exposed onlineJun 27, 20188 years agoExposed dataUnverified132Macct
FacebookData of up to 87 million Facebook users improperly shared with Cambridge AnalyticaMar 17, 20188 years agoVendor breach87M
Arc of Erie CountyNonprofit exposed clients' sensitive data online for years; USD 200,000 NY AG penaltyMar 9, 20188 years agoExposed data3,751
Los Angeles County - Department of Health ServicesPhishing attack on county health staff exposes data of 749,017 peopleDec 16, 20169 years agoPhishing749K
Australian Red Cross Blood ServiceContractor posts donor file of 550,000 blood donors on insecure websiteOct 28, 20169 years agoExposed dataUnverified550K
Yahoo!2014 Yahoo breach hit 515,000 UK accounts; ICO fine of GBP 250,000Sep 22, 201610 years agoHacking515K
Banner HealthHackers breach Banner Health systems, exposing data of millions of patientsAug 3, 201610 years agoHacking3.6M
California Correctional Health Care ServicesStolen unencrypted laptop held custody and medical data of 400,000 inmatesMay 15, 201610 years agoLost or stolen device400K
Turkey General Directorate of Population and Citizenship AffairsLeak publishes ID details of nearly 50 million Turkish citizensApr 4, 201610 years agoUnverified49M
COMELECHackers deface COMELEC site and leak voter database covering 55 millionMar 27, 201610 years agoHackingUnverified55M
21st Century OncologyHackers stole data of 2.2 million cancer care patients, FBI told companyMar 4, 201610 years agoHacking2.2M
Ashley Madison2015 hack exposed 36M users' profiles; FTC and states settlementJul 19, 201511 years agoHacking36M
UCLA HealthHackers access UCLA Health network holding data of 4.5 million patientsJul 17, 201511 years agoHacking4.5M
Sony Pictures EntertainmentDestructive attack on Sony Pictures leaks films, emails and employee dataNov 24, 201411 years agoHackingUnknown
Apple iCloudCelebrity iCloud accounts compromised and private photos leakedSep 1, 201412 years agoUnverifiedUnknown
Apple Developer CenterApple takes developer site offline after intrusionJul 21, 201313 years agoHackingUnverifiedUnknown
TD BankLost unencrypted backup tapes held 260,000 customers' data; USD 850,000 settlementFeb 18, 201313 years agoLost or stolen device260K
Blizzard EntertainmentIntrusion at Blizzard exposes Battle.net emails and password dataAug 10, 201214 years agoHackingUnknown
DigiNotarHacked Dutch certificate authority issued at least 531 fraudulent certificatesAug 29, 201115 years agoHackingUnknown
SK CommunicationsHackers steal personal data of 35 million Nate and Cyworld usersJul 28, 201115 years agoSupply chainUnverified35M
NHS North Central LondonUnencrypted laptop with 8.63 million patient records lost from NHS store roomJun 15, 201115 years agoLost or stolen deviceUnverified8.6M
Health NetServer drives missing from IBM-managed data center hold data of 1.9 millionApr 14, 201115 years agoLost or stolen device1.9M
Eisenhower Medical CenterStolen hospital computer held index data of 514,000 patientsMar 30, 201115 years agoLost or stolen device514K
Zurich Insurance UKUnencrypted backup tape with data of 46,000 policyholders lost in South AfricaAug 24, 201016 years agoVendor breach46K
TwitterHackers gained admin control of Twitter twice in 2009; FTC security orderJun 24, 201016 years agoHackingUnknown
BlueCross BlueShield AssociationStolen employee laptop held data on 850,000 doctorsOct 6, 200916 years agoLost or stolen deviceUnverified850K
US National Archives and Records AdministrationFailed hard drive with 76 million veterans' records returned to vendorOct 2, 200916 years agoVendor breachUnverified76M
Los Angeles County Child Support ServicesThree stolen laptops held SSNs and case data on 243,000 peopleMar 30, 200719 years agoLost or stolen deviceUnverified243K
Nationwide Building SocietyLaptop theft exposes weak controls; FSA fines Nationwide GBP 980,000Feb 14, 200719 years agoLost or stolen deviceUnknown
NissanDatabase of 5.38 million Nissan customers leaked in JapanOct 30, 200619 years agoUnverified5.4M
AOLAOL publishes 20 million search queries from 650,000 usersAug 6, 200620 years agoExposed dataUnverified650K
Ohio UniversityHackers breach alumni system holding 137,000 Social Security numbersApr 24, 200620 years agoHackingUnverified300K
Firstrust BankStolen laptop held data of 100,000 Firstrust Bank recordsDec 1, 200520 years agoLost or stolen deviceUnverified100K
Wilcox Memorial HospitalLost backup tape held records of 130,000 Hawaii hospital patientsOct 21, 200520 years agoLost or stolen deviceUnverified130K
US Air ForceHacking incident exposes records of 33,300 Air Force personnelAug 22, 200521 years agoHackingUnverified33K
University of UtahHacking incident at University of Utah exposes 100,000 recordsAug 9, 200521 years agoHackingUnverified100K
University of Southern CaliforniaUSC hack: 270,000 records possibly accessed, dozens confirmed exposedJul 19, 200521 years agoHackingUnverified270K
University of ConnecticutHackers compromise UConn server holding data of 72,000 peopleJun 25, 200521 years agoHackingUnverified72K
University of Hawaii Cancer CenterDishonest insider exposes 150,000 University of Hawaii recordsJun 18, 200521 years agoInsiderUnverified150K
US Department of JusticeStolen Justice Department laptop held data of 80,000 peopleMay 7, 200521 years agoLost or stolen deviceUnverified80K
Time WarnerLost backup tapes held data of 600,000 Time Warner recordsMay 2, 200521 years agoLost or stolen deviceUnverified600K
Tufts UniversityHacking incident at Tufts University affects 106,000 recordsApr 11, 200521 years agoHackingUnverified106K
California State University, ChicoHacking incident at Chico State exposes data of 59,000 peopleMar 22, 200521 years agoHackingUnverified59K

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